Protective case for an electronic tag



FIG. 1 is a front, right, and top perspective view of a protective case for an electronic tag, showing my design;

FIG. 2 is a rear, left, and bottom perspective view thereof.

FIG. 3 is a front elevation view thereof.

FIG. 4 is a rear elevation view thereof.

FIG. 5 is a left side elevation view thereof.

FIG. 6 is a right side elevation view thereof.

FIG. 7 is a top plan view thereof.

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is an enlarged detailed view of encircled area 9 in FIG. 1 .

The broken lines in the drawings depict portions of the article that form no part of the claimed design. 

CLAIM The ornamental design for protective case for an electronic tag, as shown and described. 